Best Foundation Repair Contractors in Charleston, SC

Compare 3 vetted contractors. Average repair cost: $2,800 - $10,500

⚠️ Charleston Foundation Repair Pitfall Alert

South Carolina red clay and coastal conditions create varied challenges. Crawl space encapsulation is often critical.

Top-Rated Foundation Repair Companies in Charleston

C
#1
4.6 (331 reviews)
🛡️ Warranty 🔄 Transferable 💳 Financing ⚡ Fast Response
From 2,800 - 10,500
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M
#2
4.8 (486 reviews)
🛡️ Warranty 🔄 Transferable 💳 Financing
From 2,800 - 10,500
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R
#3
4.7 (24 reviews)
🛡️ Warranty 💳 Financing
From 2,800 - 10,500
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Common Foundation Problems in Charleston (Red Clay / Sandy Loam)

🌍 Soil Type

Red Clay / Sandy Loam

Source: USDA Web Soil Survey

🏠 Common Foundation

Crawl Space / Slab-on-Grade

🌧️ Annual Rainfall

48 inches/year

Source: NOAA Climate Data

☀️ Drought Risk

low

Common Issues in Charleston

  • Red clay expansion
  • Crawl space moisture
  • Hurricane damage
  • Coastal flooding

Charleston Foundation Repair FAQ

How much does foundation repair cost in Charleston, SC?
Foundation repair in Charleston typically costs $2,800 to $10,500, depending on severity, repair method, and area size. Minor crack repairs may cost as little as $500, while full piering can exceed $15,000.
What causes foundation problems in Charleston?
Charleston has Red Clay / Sandy Loam soil, a primary cause of foundation issues. Common problems include: Red clay expansion, Crawl space moisture, Hurricane damage, Coastal flooding. The area receives 48 inches of rain annually, and drought risk is low.
How do I choose a foundation repair company in Charleston?
Look for licensed and insured contractors with strong reviews. Get at least 2-3 quotes, ask about warranty coverage and transferability, and consider hiring an independent structural engineer ($300-$800) for an unbiased assessment.
Does homeowners insurance cover foundation repair in SC?
Most standard homeowners insurance policies in SC do not cover foundation repair caused by normal settling, soil movement, or poor drainage. However, if damage results from a covered peril (like a sudden plumbing leak), your policy may cover it.